package com.yhsimon.tcp;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.ServerSocket;
import java.net.Socket;

//服务器
public class TcpServerDemo1 {
    public static void main(String[] args) {
        ServerSocket serverSocket = null;
        Socket accept = null;
        InputStream is = null;
        ByteArrayOutputStream baos = null;
        try {
            //1.我得有一个地址
            serverSocket = new ServerSocket(8888);
            //2.等待客户端连接过来
            while (true) {
                accept = serverSocket.accept();
                //3.读取客户端的消息
                is = accept.getInputStream();


                /*管道流*/
                baos = new ByteArrayOutputStream();
                byte[] buffer = new byte[3];
                int len;
                while ((len = is.read(buffer)) != -1) {
                    baos.write(buffer, 0, len);
                }
                System.out.println(baos.toString());

            }


            /**
             * 容易乱码

             byte[] buffer = new byte[1024];
             int len;
             while ((len = is.read(buffer)) != -1) {
             String msg = new String(buffer, 0, len);
             System.out.println(msg);
             }
             */

        } catch (IOException e) {
            e.printStackTrace();
        } finally {//关闭资源
            if (baos != null) {
                try {
                    baos.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if (is != null) {
                try {
                    is.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if (accept != null) {
                try {
                    accept.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if (serverSocket != null) {
                try {
                    serverSocket.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }

        }

    }
}
